Abstract Seven guaianolides were isolated fromSaussurea involucrata, four of them new. Their structures were elucidated by spectroscopic methods, some chemical transformations and X-ray diffraction.
摘要 从雪莲中分离得到七种愈创木酚内酯,其中四种是新的。它们的结构是通过光谱方法、一些化学转化和 X 射线衍射来阐明的。